Science Final- 7th Grade

40 Questions | Total Attempts: 609

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7th Grade Science Quizzes & Trivia

DNACell Organelles and their functionsCells to organ systemsGenetics/Probability/Punnett SquaresAbiotic/BioticSuccessionWater Cycle/Carbon CyclePredator/PreyFood Webs/Energy Pyramids


Questions and Answers
  • 1. 
    A natural resource is?
    • A. 

      A resource that is hard to find

    • B. 

      A resource only found in certain parts of nature

    • C. 

      Anything in the environment that is used by people

    • D. 

      Resources that can't be ever replaced

  • 2. 
    What is true about the human population?
    • A. 

      It grew rapidly until 1650 AD

    • B. 

      It was 6 billion in 2000 AD

    • C. 

      It grew slowly until 1955 AD

    • D. 

      It was 10 billion in 1000 AD

  • 3. 
    The human population has grown rapidly during the recent centuries. What has caused this?
    • A. 

      Climate and Weather

    • B. 

      Diversity of Niches

    • C. 

      Oil Spills and harming sea animals

    • D. 

      Medicine, Agriculture, and Waste Disposal

  • 4. 
    As you know, Tropical Rain Forests are the most Diverse Ecosystem. What is the second most diverse ecosystem?
    • A. 

      Grasslands

    • B. 

      Seaweed

    • C. 

      Coral Reefs

    • D. 

      Cacti

  • 5. 
    The Purple Marsh Crab is currently on the Threatened Species list. What is happening to this crab?
    • A. 

      It has disappeared from Earth

    • B. 

      It could disappear in the near future

    • C. 

      Its being commonly used as a house-pet

    • D. 

      It could become endangered in the near future

  • 6. 
    There are many natural events that could cause extinction of a species such as ________ and ________. 
    • A. 

      Poaching and Killing

    • B. 

      Volcanos and Earthquakes

    • C. 

      Captive Breeding and Poaching

    • D. 

      None of the Above

  • 7. 
    A(n) ___________ obtains food,water, shelter, and other things it needs to live, grow and reproduce from its environment. (there are more than one answer, check off each answer)
    • A. 

      Organism

    • B. 

      Science Teacher

    • C. 

      Girl named Sarah

    • D. 

      Plant and or Animal

    • E. 

      Nothing

  • 8. 
    Abiotic Factors are ___-living parts of a habitat.
    • A. 

      Non

    • B. 

      Re

    • C. 

      Pre

    • D. 

      Over

  • 9. 
    An example of an abiotic factor is water. However an example of a biotic factor is ___________. 
    • A. 

      Oxygen

    • B. 

      Wind

    • C. 

      Fungi

    • D. 

      Rocks

  • 10. 
    When a plant makes food using water, sunlight, and carbon dioxide, they are performing what process?
    • A. 

      Photosynthesis

    • B. 

      Abiotic Factors

    • C. 

      Light Reaction

    • D. 

      None of the Above

  • 11. 
    True or False, the level of organization in an ecosystem from smallest unit to largest unit is Organism, Population, Community, Ecosystem
    • A. 

      True

    • B. 

      False

    • C. 

      Maybe

    • D. 

      I don't Know

  • 12. 
    Is the example, All of the trees in a forest, an example of a population?
    • A. 

      Yes

    • B. 

      No

    • C. 

      Maybe

    • D. 

      I don't know

  • 13. 
    True or False; All populations live in the same sized area. 
    • A. 

      True

    • B. 

      False

    • C. 

      Maybe

    • D. 

      I don't know

  • 14. 
    True or False; An ecosystem is a group of organisms that are physically similar and can mate and reproduce with each other to produce offspring that can mate and reproduce. 
    • A. 

      True

    • B. 

      False

    • C. 

      Maybe

    • D. 

      I don't know

  • 15. 
    Counting the number of red maples in a small area to estimate the number in the entire forest is an example of what type of study to determine population size?
    • A. 

      Direct Observation

    • B. 

      Indirect Observation

    • C. 

      Sampling

    • D. 

      Mark and Recapture Studies

  • 16. 
    Counting all of the hawks with and without bands on their legs is an example of what study to determine population size?
    • A. 

      Direct observation

    • B. 

      Indirect observation

    • C. 

      Sampling

    • D. 

      Mark and recapture

  • 17. 
    Counting all of the crabs that live in a tide pool is an example of what study to determine population size?
    • A. 

      Direct observation

    • B. 

      Indirect observation

    • C. 

      Sampling

    • D. 

      Mark and recapture

  • 18. 
    Counting the number of nesting sites in an area is an example of what study to determine population size?
    • A. 

      Direct Observation

    • B. 

      Indirect Observation

    • C. 

      Sampling

    • D. 

      Mark and Recapture

  • 19. 
    Identify the type of relationship for the given example: Bright Yellow Colonial Anemones on a drab Tube Sponge warn fish away from the sponge. The sponge provides space for the anemones. 
    • A. 

      Predator-Prey

    • B. 

      Commensalism

    • C. 

      Parasitism

    • D. 

      Mutualism

  • 20. 
    Identify the type of relationship for the given example: A parrotfish has a strong "beak" that can crunch rock and eat coral polyps.
    • A. 

      Predator-Prey

    • B. 

      Commensalism

    • C. 

      Parasitism

    • D. 

      Mutualism

  • 21. 
    True or False; In Succession, the changes that occur are predictable
    • A. 

      True

    • B. 

      False

    • C. 

      Maybe

    • D. 

      I don't know

  • 22. 
    The first species to populate the area in primary succession are called ________ species. 
    • A. 

      First Class

    • B. 

      Secondary

    • C. 

      Pioneer

    • D. 

      New

  • 23. 
    Choose one of the following animals that COULD NOT survive in a pond ecosystem. 
    • A. 

      Frogs

    • B. 

      Lilypads

    • C. 

      Bears

    • D. 

      Fish

  • 24. 
    Which of the following organisms are producers? (check off each one)
    • A. 

      Plants

    • B. 

      Algae

    • C. 

      Bacteria

    • D. 

      Bears

  • 25. 
    The many overlapping food chains in an ecosystem make up a(n) _________ ______.
    • A. 

      Food Chain

    • B. 

      Food Circle

    • C. 

      Food Web

    • D. 

      Food Pyramid

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